The PTT affiliated Iran Telecommunications Manufacturing Company (ITMC) is situated in a 95,000 square metres facility in Shiraz. It was established in 1967 and produces parts for high capacity digital exchanges EWSD and S12. It has an annual output of 1.2 million parts. It also produces low capacity exchanges branded Fajr (400 line capacity) and Asr (256 lines), telephone sets, and some other equipment. The assembly line for NEAX61E digital exchanges is also based at this factory. The company's software center, which is equipped with an IBM 4381 main frame computer, produces the databases and software necessary for the above stated exchanges. It also provides the necessary support during the operation of the exchanges. Other products include power supply sets, different types of telephone sets, MDF and DDF accessories etc.
ITMC's source of technology is mainly SEL and Siemens of Germany. ITMC is currently pursuing a technology transfer project for the TCI in collaboration with NEC of Japan.
The company's majority shareholder is TCI. The Iranian Bank of Mines and Metals and Siemens are minority shareholders.